ACTA CRYSTALLOGRAPHICA SECTION E-CRYSTALLOGRAPHIC COMMUNICATIONS, vol.61, 2005 (SCI-Expanded)
The title compound, C20H25N3O5, adopts the keto-amine tautomeric form and displays the characteristic features of azobenzene derivatives. Intramolecular N - H (...) O and O H (...) O and intermolecular O - H (...) O interactions influence the conformation of the molecules and the crystal packing.